Refactor websocket

run-coverage.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+export RUSTFLAGS="-C instrument-coverage"
+
+cargo run
+
+llvm-profdata merge -sparse default_*.profraw -o emgauwa-core.profdata
+
+llvm-cov report \
+    --object ./target/debug/emgauwa-core \
+  	--instr-profile=emgauwa-core.profdata \
+	--ignore-filename-regex="${CARGO_HOME:-.cargo/registry}" \
+	--use-color \
+  	--summary-only